OpenTechnical

OT-2026-000086778

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086778) never changes.

Identity and time

Publication numberOT-2026-000086778 · never reused
Internal UUID01a0ae9a-80a4-780c-ad0d-4daf3f2ac42e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086778
StatusPUBLIC

Content hashes

Canonical texte0b5493c568f38987aaa26d39141cf3b8723092adf22cb3e26044f2661720501
Markdowne70d9e4387cc2e795620808e14240abba4befbbb91af84ec59b626498358ff20
PDF
Publication pagee8ce02fe9ac53687b33758063edd30cc5a32660960c226edea5a479f3cdd88a3
Manifestce70e6ab14a993267b7dea65aebcec63b870999ad0ee3dd9a1e1b88a7c5f2190

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefY0iX8mW+RBGJfDPwpouQLCtumUFkcMWGZ2+Tpcw6KebeUv2pq982Q7vkGrqlEtiFrZqI+7VFN7UD+WB1r0sDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:35.133307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086778
observed e8ce02fe9ac53687b33758063edd30cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.116182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086778/manifest.json
observed ce70e6ab14a993267b7dea65aebcec63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.100467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086778/publication.md
observed e70d9e4387cc2e795620808e14240abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.084363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086778/publication.txt
observed e0b5493c568f38987aaa26d39141cf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.